Agree. Post is mostly just authors personal opinions, marketed as the truth.
Example:
>> or redneck issues (country).
Country music has a lot of texts about hard work too.
I think the author has a good point though that rap is the only genre that really embraces commercialism/capitalism/enrichment in the lyrics themselves (albeit usually mixed in with a criminal fantasy element).
This was more my tongue-in-cheek personal opinion than a recipe to startup success. Please feel free to like other types of music.